Lumbar vertebrae: anatomy of the bony lumbar spine | Kenhub
Nov 16, 2023 · Each lumbar transverse process usually bears a small tubercle along its posterior proximal aspect, known as an accessory process. They serve as attachment sites for the intertransversarii and longissimus muscles (see below).
Lumbar vertebrae - Wikipedia
Three portions or tubercles can be noticed in a transverse process of a lower lumbar vertebrae: the lateral or costiform process, the mammillary process, and the accessory process. [2] The costiform is lateral, the mammillary is superior (cranial), and the accessory is inferior (caudal).
Lumbar Vertebrae - Physiopedia
The transverse process is long and slender in the Lumbar Vertebrae with accessory processes on the posterior surface at the base of each process. Articular Processes.
The Lumbar Spine - Joints - Ligaments - TeachMeAnatomy
Jun 17, 2020 · Other features of a typical lumbar vertebrae: Transverse processes are long and slender. Articular processes have nearly vertical facets. Spinous processes are short and broad. Accessory processes can be found on the posterior aspect of the base of each transverse process. They act as sites of attachment for deep back muscles.
Accessory Process of First Lumbar Vertebra (Right)
Discover the role of accessory processes in the lumbar vertebra and their muscle attachments.
Anatomical relationship between the accessory process of the lumbar …
The accessory process is a consistent and reliable landmark to guide pedicle screw entry point, and compliments other screw insertion techniques. To our knowledge, this is the first study in the published literature to assess this relationship.
Anatomical relation between the accessory process and pedicle in …
We have elucidated a detailed relationship between the accessory process and the lumbar pedicle. An anatomical basis was established for the accessory process to be used as a landmark for pedicle screw insertion. The landmark would be effective in reducing the risk of zygapophyseal joint violation during the pedicle insertion. Acknowledgements
Lumbar Vertebra - an overview | ScienceDirect Topics
As with the other lumbar transverse processes, L5 often has an irregular accessory process on the medial aspect of the transverse process near where it joins the rest of the posterior bony arch and a mammillary process at the prominence of the facet joint.
Lumbar vertebrae - Easy Anatomy 3D
In addition, there is a small rudimentary mammilary process (processus mamillaris) on the superior articular process. The transverse process (processus transversus) of the lumbar vertebra splits into two processes — the costal process (processus costalis) and the accessory process (processus accessorius).
Lumbar Vertebrae - Definition, Function & Structure - Biology …
Apr 23, 2019 · In the lower lumbar vertebrae, there are three tubercles present: the costiform process, mammillary process, and accessory process. The bony processes of the lumbar vertebrae provide muscle attachment points, such as for the psoas major and multifidus muscles.